Better text cleanup for hashtags

scl.py

@@ -1,4 +1,5 @@
 import io
+import re
 from datetime import datetime
 from typing import Optional
 
@@ -97,6 +98,10 @@ def classify_event_size(num_people: int) -> dict[str, str | bool]:
         }
 
 
+def clean_hashtag_text(hashtag_text: str) -> str:
+    return re.sub(r"[\W^_]+", "", hashtag_text.title())
+
+
 def get_hashtag_string(event) -> str:
     city = str()
     try:
@@ -108,12 +113,12 @@ def get_hashtag_string(event) -> str:
     try:
         neighborhood = event["neighborhood"]
         if neighborhood != city:
-            neighborhood_text = " #{}".format(neighborhood.title().replace(" ", ""))
+            neighborhood_text = " #{}".format(clean_hashtag_text(neighborhood))
     except KeyError:
         pass
 
     hashtag_string = "#SeattleCityLightOutage #SCLOutage{} #{}".format(
-        neighborhood_text, city.title().replace(" ", "")
+        neighborhood_text, clean_hashtag_text(city)
     )
     return hashtag_string